Jawabanmu

2014-05-23T23:10:19+07:00
2+sin 2x=1
x = 2/2 = 1
2014-05-23T23:20:30+07:00
2 + sinx = 1
sinx = -1
x = 270 derajat 
 
x1
x = 270 + k.360 
k-0 = 270 

x2
x=(180-270) +k.360 
x= -90 +k.360
k-1= -90 + 360 = 270

hp : (270 derajat)
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